ZyXEL Communications 662HW User Manual

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Prestige 662HW Series Compact Guide 
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2.  Many-to-One: Many-to-One mode maps multiple local IP addresses to one 
global IP address.  
3.  Many-to-Many Overload: Many-to-Many Overload mode maps multiple 
local IP addresses to shared global IP addresses.  
4.  Many-to-Many No Overload: Many-to-Many No Overload mode maps each 
local IP address to unique global IP addresses.  
5.  Server: This type allows you to specify inside servers of different services 
behind the NAT to be accessible to the outside world. 
6.5 Configuring SUA Server 
An SUA server set is a list of inside (behind NAT on the LAN) servers, for example, 
web or FTP, that you can make visible to the outside world even though SUA makes 
your whole inside network appear as a single computer to the outside world.  
Step 1. 
From the main screen click Advanced Setup and then NAT to open the 
NAT-Mode screen. Select SUA Only.  
 
Figure 16 NAT: Mode 
Step 2. 
Click Edit Details